NXP 80C552, 83/87C552, P80C562, P83C562 Family Overview - Keil
NXP 80C552, 83/87C552, P80C562, P83C562 Family Overview - Keil
NXP 80C552, 83/87C552, P80C562, P83C562 Family Overview - Keil
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Philips Semiconductors<br />
80C51 <strong>Family</strong> Derivatives 8XC552/562 overview<br />
SDA<br />
SCL<br />
S<br />
Start<br />
Condition<br />
I 2 C bus<br />
MSB<br />
P1.7/SDA P1.6/SCL<br />
Slave Address<br />
8XC552<br />
Other Device with<br />
I 2 C Interface<br />
1996 Aug 06 12<br />
R P<br />
R P<br />
V DD<br />
Figure 10. Typical I 2 C Bus Configuration<br />
R/W<br />
Direction<br />
Bit<br />
Acknowledgment<br />
Signal from Receiver<br />
Clock Line Held Low While<br />
Interrupts Are Serviced<br />
1 2 7 8 9 1 2 3–8<br />
ACK<br />
Figure 11. Data Transfer on the I 2 C Bus<br />
Other Device with<br />
I 2 C Interface<br />
Repeated if more bytes<br />
are transferred<br />
Acknowledgment<br />
Signal from Receiver<br />
9<br />
ACK<br />
SDA<br />
SCL<br />
P/S<br />
Stop<br />
Condition<br />
Repeated<br />
Start<br />
Condition
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